10 May 2013, 07:00 AM ET
NASA noticed a leak in this same cooling loop back in 2007.
10 May 2013, 01:32 AM ET
The tantalizing first teaser trailer for the sci-fi film 'Gravity' promises a crazy ride.
09 May 2013, 10:13 PM ET
NASA will honor Sally Ride on May 20 during national tribute to the first American woman in space.
09 May 2013, 07:58 PM ET
The ammonia system is one of several cooling loops that circulate liquids throughout the International Space Station.
09 May 2013, 06:18 PM ET
See photos and maps for the annular solar eclipse of May 9-10, 2013.
09 May 2013, 06:00 PM ET
View the "ring of fire" solar eclipse live now in a free webcast.
09 May 2013, 05:46 PM ET
Three spacewalks were conducted by Expedition 24 Flight Engineers Doug Wheelock and Tracy Caldwell Dyson to remove and replace a failed ammonia pump that disabled one of the station's 2 cooling loops.
09 May 2013, 04:56 PM ET
The Coca Cola Space Science Center broadcasted views from Cape York, Australia of the annular solar eclipse on May 9th, 2013 (May 10- Australia). The minutes before and after totality are seen here - captured from webcast.
09 May 2013, 04:03 PM ET
Vital ammonia coolant is leaking from the International Space Station, NASA officials say.
09 May 2013, 02:21 PM ET
Istanbul and the surrounding area in northwestern Turkey are captured in this space wallpaper acquired by Envisat’s MERIS instrument on June 9, 2011. To the north is the Black Sea, which connects to the Sea of Marmara (center) via the Bosphorus strait.
09 May 2013, 02:01 PM ET
The water may have arrived before the moon formed.
09 May 2013, 12:43 PM ET
The dirty white dwarf atmospheres contain the building blocks of planets like Earth.
09 May 2013, 12:27 PM ET
Today's 'ring of fire' solar eclipse will bring Hawaii and other Pacific regions a partial solar eclipse.
09 May 2013, 12:25 PM ET
See images and photos of the strange new worlds around the star HR 8799 128 light-years from Earth.
09 May 2013, 11:42 AM ET
The Hubble Space Telescope has detected silicon (a rocket planet element), in a white dwarf's atmosphere. It is the result of asteroids being ripped apart by the gravity of the dead star and impacting other debris (white flashes in the animation).
09 May 2013, 11:27 AM ET
Important science could come from the annular solar eclipse set to take place today (May 9).
09 May 2013, 10:59 AM ET
Can Thirty Meter Telescope construction build common ground?
09 May 2013, 10:40 AM ET
Total solar eclipses are one of Nature’s grandest events. What is a total solar eclipse? How do they work? And when is the next one? We explain.
09 May 2013, 07:00 AM ET
Congress wants an update on the search for planets like our own.
09 May 2013, 06:28 AM ET
A step-by-step guide to photographing the May 20 annular eclipse, or any other solar event.
09 May 2013, 06:00 AM ET
Watch the "ring of fire" solar eclipse live online today (May 9).
09 May 2013, 02:24 AM ET
How Solar Eclipses Work: When the moon covers up the sun, skywatchers delight in the opportunity to see a rare spectacle.
09 May 2013, 01:35 AM ET
See images of the annular solar eclipse of May 20, 2012 in this photo gallery.
09 May 2013, 12:13 AM ET
See images of the planned Thirty Meter Telescope, a giant observatory to peer deep into the universe from a mountaintop in Hawaii.
08 May 2013, 06:32 PM ET
See eye-popping photos of the night sky by submitted by SPACE.com readers in May 2013.